Goto Section: 74.794 | 74.796 | Table of Contents
FCC 74.795
Revised as of October 1, 2011
Goto Year:2010 |
2012
§ 74.795 Digital low power TV and TV translator transmission system
facilities.
(a) A digital low power TV or TV translator station shall operate with
a transmitter that is either certificated for licensing based on the
following provisions or has been modified for digital operation
pursuant to § 74.796.
(b) The following requirements must be met before digital low power TV
and TV translator transmitter will be certificated by the FCC:
(1) The transmitter shall be designed to produce digital television
signals that can be satisfactorily viewed on consumer receiving
equipment based on the digital broadcast television transmission
standard in § 73.682(d) of this chapter;
(2) Emissions on frequencies outside the authorized channel, measured
at the output terminals of the transmitter (including any filters that
may be employed), shall meet the requirements of § 74.794, as
applicable;
(3) The transmitter shall be equipped to display the digital power
output ( i.e. , average power over a 6 MHz channel) and shall be
designed to prevent the power output from exceeding the maximum rated
power output under any condition;
(4) When subjected to variations in ambient temperature between 0 and
40 degrees Centigrade and variations in power main voltage between 85%
and 115% of the rated power supply voltage, the frequency stability of
the local oscillator in the RF channel upconverter shall be maintained
within 10 kHz of the nominal value; and
(5) The transmitter shall be equipped with suitable meters and jacks so
that appropriate voltage and current measurements may be made while the
transmitter is in operation.
(c) The following additional requirements apply to digital heterodyne
translators:
(1) The maximum rated power output (digital average power over a 6 MHz
channel) shall not exceed 30 watts for transmitters operating on
channels 14-69 and 3 watts for transmitters operating on channels 2-13;
and
(2) The transmitter shall contain circuits which will maintain the
digital average power output constant within 1 dB when the strength of
the input signal is varied over a range of 30 dB.
(d) Certification will be granted only upon a satisfactory showing that
the transmitter is capable of meeting the requirements of paragraph (b)
of this section, pursuant to the procedures described in § 74.750(e).
[ 69 FR 69336 , Nov. 29, 2004]
Goto Section: 74.794 | 74.796
Goto Year: 2010 |
2012
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